Computer Networking On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses? /30 /27 /29 /28 /30 /27 /29 /28 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame? Flood the network with the frame Add the destination to the MAC address table and then forward the frame Discard it and send an error message back to the originating host Add the source address and port to the MAC address table and forward the frame out the destination port Flood the network with the frame Add the destination to the MAC address table and then forward the frame Discard it and send an error message back to the originating host Add the source address and port to the MAC address table and forward the frame out the destination port ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols, needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services? PAP Frame Relay PPP 802.1 HDLC PAP Frame Relay PPP 802.1 HDLC ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is not a standard synchronous communication protocol? SLIP None of these SMTP PAS SDLC SLIP None of these SMTP PAS SDLC ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The packets switching concept was first proposed None of these All of these in the late 1980s for the Defense Ministry of US. in the early 1960s for military communication systems, mainly to handle speech in the late 1950s for Defense Ministry of US None of these All of these in the late 1980s for the Defense Ministry of US. in the early 1960s for military communication systems, mainly to handle speech in the late 1950s for Defense Ministry of US ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following technique is used for allocating capacity on a satellite channel using fixed-assignment FDM? Amplitude modulation Frequency-shift keying Frequency modulation None of these Frequency-division multiple access Amplitude modulation Frequency-shift keying Frequency modulation None of these Frequency-division multiple access ANSWER DOWNLOAD EXAMIANS APP